/*
 * Copyright (C) 2018-2020. Huawei Technologies Co., Ltd. All rights reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.prestosql.spi.statestore.listener;

/**
 * Listeners are notified upon any updates to an existing entry on
 * the StateMap collection
 */
public interface EntryUpdatedListener<K, V>
        extends MapListener
{
    /**
     * invoked upon update of an Map entry
     *
     * @param event the event invoked when an entry is updated
     */
    void entryUpdated(EntryEvent<K, V> event);
}
